EAS Publisher | Effect of Irradiation and Recombination on Genetic Enhancement of Boll Weight, Boll Number, Fiber Length and Fiber Strength among the Progenies in Desi Cotton – An Innovative Approach to Improve in Desi Cotton

Effect of Irradiation and Recombination on Genetic Enhancement of Boll Weight, Boll Number, Fiber Length and Fiber Strength among the Progenies in Desi Cotton – An Innovative Approach to Improve in Desi Cotton

DOI : https://doi.org/10.36349/easjals.2021.v04i02.001

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Abstract: A study was carried out to grasp the importance of hybridization, irradiation and their combination in enhancing boll weight, boll number, seed cotton yield, fiber length and strength in desi cotton. A 202 progenies comprising of F4M4, M4, F4 and double cross F3 were evaluated at MARS UAS, Dharwad to obtain information on mean, variance, range, genetic variability, heritability and genetic advance for 13 traits. The mean, range and variance among progenies, F4M4 progenies exhibited relatively higher progeny mean performance and wider range of values for most the traits. The high estimates of PCV and GCV were recorded for M4 generation for boll weight, seed cotton yield, ginning out turn and 2.5% span length indicates simple irradiation helps to improve these traits. The high heritability coupled with high genetic advance for seed cotton yield and yield components as well as fiber quality traits among progenies. The superior progenies varied considerably across the traits, F4M4 contributed higher number of superior progenies followed by F4 progenies produced higher number of superior progenies compared to others.

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